package com.youkeda.yunmusic.web.control;


import com.youkeda.yunmusic.web.model.Comment;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;

import java.util.*;


@Controller
public class CommentPostControl {

    private static Map<String, List<Comment>> comments = new HashMap<>();

    @RequestMapping(value = "/comment/post")
    public String post(@RequestParam(value = "songId") String songId, Comment comment){

        Date commentTime = new Date();
        comment.setCommentTime(commentTime);
        comment.setId(UUID.randomUUID().toString());
        comments.computeIfAbsent(songId,k->new ArrayList<>()).add(comment);

        List<Comment> commentList = comments.get(songId);

        Collections.sort(commentList, (o1 , o2) -> {
            if (o1.getCommentTime().after(o2.getCommentTime())){
                return -1;
            }else {
                return 1;
            }
        });
        return "redirect:/songinfo?songId="+songId;
    }



    public List<Comment> getComments(String songId){
        return comments.get(songId);
    }




}


